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40220231110444 = 22711781716705279
BaseRepresentation
bin10010010010100100000001…
…00101101000111100101100
312021102000110001121120222201
421021102000211220330230
520232432013131013234
6221312530305151244
711320546551434020
oct1111220045507454
9167360401546881
1040220231110444
11118a7338a16a60
124616b4a02b524
1319599a011c0b8
149d0953442380
1549b34935e314
hex249480968f2c

40220231110444 has 48 divisors (see below), whose sum is σ = 87764462714880. Its totient is φ = 15668214341760.

The previous prime is 40220231110429. The next prime is 40220231110457. The reversal of 40220231110444 is 44401113202204.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5945004 + ... + 10760275.

It is an arithmetic number, because the mean of its divisors is an integer number (1828426306560).

Almost surely, 240220231110444 is an apocalyptic number.

40220231110444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40220231110444 is an abundant number, since it is smaller than the sum of its proper divisors (47544231604436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40220231110444 is a wasteful number, since it uses less digits than its factorization.

40220231110444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16713118 (or 16713116 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 40220231110444 its reverse (44401113202204), we get a palindrome (84621344312648).

The spelling of 40220231110444 in words is "forty trillion, two hundred twenty billion, two hundred thirty-one million, one hundred ten thousand, four hundred forty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 7817 15634 31268 54719 85987 109438 171974 218876 343948 601909 1203818 2407636 16705279 33410558 66821116 116936953 183758069 233873906 367516138 467747812 735032276 1286306483 2572612966 5145225932 130585165943 261170331886 522340663772 914096161601 1436436825373 1828192323202 2872873650746 3656384646404 5745747301492 10055057777611 20110115555222 40220231110444